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<a href="_msg_queue_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * This file is part of libemb.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * libemb is free software: you can redistribute it and/or modify</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * it under the terms of the GNU General Public License as published by</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * the Free Software Foundation, either version 3 of the License, or</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * (at your option) any later version.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> * libemb is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> * GNU General Public License for more details.</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> * You should have received a copy of the GNU General Public License</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> * along with libemb.  If not, see &lt;http://www.gnu.org/licenses/&gt;.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> * Project: Embedme</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> * Author : FergusZeng</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> * Email  : cblock@126.com</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"> * git    : https://gitee.com/newgolo/embedme.git</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"> * Copyright 2014~2020 @ ShenZhen ,China</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment">*******************************************************************************/</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#ifndef __MSGQUEUE_H__</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#define __MSGQUEUE_H__</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160; </div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_base_type_8h.html">BaseType.h</a>&quot;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_singleton_8h.html">Singleton.h</a>&quot;</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="_thread_util_8h.html">ThreadUtil.h</a>&quot;</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160; </div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor">#if defined OS_CYGWIN || defined OS_UNIX</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor">#define USE_MQ_SYSV     (1)     </span><span class="comment">/* cygwin和linux下只能使用sysv的消息队列 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor">#define USE_MQ_SYSV     (0)     </span><span class="comment">/* Android下使用posix消息队列 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="preprocessor">#include &lt;sys/types.h&gt;</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="preprocessor">#if USE_MQ_SYSV</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="preprocessor">#include &lt;sys/ipc.h&gt;</span></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="preprocessor">#include &lt;sys/msg.h&gt;</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="preprocessor">#include &lt;fcntl.h&gt;</span></div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="preprocessor">#include &lt;sys/stat.h&gt;</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="preprocessor">#include &lt;mqueue.h&gt;</span></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160; </div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="preprocessor">#include &lt;map&gt;</span></div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160; </div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="preprocessor">#define MSG_SIZE_MAX    128             </span></div>
<div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="_msg_queue_8h.html#a7d1e9e8bb8f40ce788836da0739f897c">   54</a></span>&#160;<span class="preprocessor">#define POSIX_MQFS      &quot;/dev/mqueue&quot;   </span></div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="preprocessor">namespace libemb{</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160; </div>
<div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="structlibemb_1_1_queue_msg_body.html">   61</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structlibemb_1_1_queue_msg_body.html">QueueMsgBody</a></div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;{</div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="structlibemb_1_1_queue_msg_body.html#a2301454b0b93ce4333d6ed2f140adf56">   63</a></span>&#160;    <span class="keywordtype">int</span> <a class="code" href="structlibemb_1_1_queue_msg_body.html#a2301454b0b93ce4333d6ed2f140adf56">m_msgType</a>;                  </div>
<div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="structlibemb_1_1_queue_msg_body.html#a3461f4986c4c7087a69382a1361c5233">   64</a></span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="structlibemb_1_1_queue_msg_body.html#a3461f4986c4c7087a69382a1361c5233">m_dataLen</a>;        </div>
<div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="structlibemb_1_1_queue_msg_body.html#af8bdb2c90233c4d26901ae0eb640a124">   65</a></span>&#160;    <span class="keywordtype">char</span> m_data[<a class="code" href="_msg_queue_8h.html#a7d1e9e8bb8f40ce788836da0739f897c">MSG_SIZE_MAX</a>-1];    </div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;};</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160; </div>
<div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="classlibemb_1_1_msg_queue.html">   72</a></span>&#160;<span class="keyword">class </span><a class="code" href="classlibemb_1_1_msg_queue.html">MsgQueue</a>{</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<a class="code" href="_base_type_8h.html#a57e803e49526dc5ba8c1915c68708ae0">DECL_CLASSNAME</a>(<a class="code" href="classlibemb_1_1_msg_queue.html">MsgQueue</a>)</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    <a class="code" href="classlibemb_1_1_msg_queue.html">MsgQueue</a>(key_t key);</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;    <span class="keyword">virtual</span> ~<a class="code" href="classlibemb_1_1_msg_queue.html">MsgQueue</a>();</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    <span class="keywordtype">bool</span> initialize();</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    <span class="keywordtype">int</span> sendMsg(<a class="code" href="structlibemb_1_1_queue_msg_body.html">QueueMsgBody</a>&amp; msg);</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    <span class="keywordtype">int</span> recvMsg(<a class="code" href="structlibemb_1_1_queue_msg_body.html">QueueMsgBody</a>&amp; msg, <span class="keywordtype">int</span> msgType=0);</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    <span class="keywordtype">int</span> clearMsg(<span class="keywordtype">int</span> msgType=0);</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;    std::string getMqName(<span class="keywordtype">int</span> key); </div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    <span class="keywordtype">int</span> m_msgID{-1};</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    key_t m_key{-1};</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;};</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160; </div>
<div class="line"><a name="l00117"></a><span class="lineno"><a class="line" href="classlibemb_1_1_msg_queue_factory.html">  117</a></span>&#160;<span class="keyword">class </span><a class="code" href="classlibemb_1_1_msg_queue_factory.html">MsgQueueFactory</a>:<span class="keyword">public</span> <a class="code" href="classlibemb_1_1_singleton.html">Singleton</a>&lt;MsgQueueFactory&gt;{</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;<a class="code" href="_base_type_8h.html#a57e803e49526dc5ba8c1915c68708ae0">DECL_CLASSNAME</a>(<a class="code" href="classlibemb_1_1_msg_queue_factory.html">MsgQueueFactory</a>)</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;<a class="code" href="_singleton_8h.html#adbe81dabafd4a18fb17e8780c0a9190d">DECL_SINGLETON</a>(<a class="code" href="classlibemb_1_1_msg_queue_factory.html">MsgQueueFactory</a>)</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;<span class="keyword">public</span>:</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;    ~<a class="code" href="classlibemb_1_1_msg_queue_factory.html">MsgQueueFactory</a>();</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;    std::shared_ptr&lt;MsgQueue&gt; getMsgQueue(key_t key);</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;<span class="keyword">private</span>:</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;    <a class="code" href="classlibemb_1_1_mutex.html">Mutex</a> m_mutex;</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    std::map&lt;key_t,std::shared_ptr&lt;MsgQueue&gt;&gt; m_msgQueueMap;</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;}; </div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;}</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160; </div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160; </div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="astructlibemb_1_1_queue_msg_body_html_a3461f4986c4c7087a69382a1361c5233"><div class="ttname"><a href="structlibemb_1_1_queue_msg_body.html#a3461f4986c4c7087a69382a1361c5233">libemb::QueueMsgBody::m_dataLen</a></div><div class="ttdeci">unsigned char m_dataLen</div><div class="ttdef"><b>Definition:</b> MsgQueue.h:64</div></div>
<div class="ttc" id="astructlibemb_1_1_queue_msg_body_html"><div class="ttname"><a href="structlibemb_1_1_queue_msg_body.html">libemb::QueueMsgBody</a></div><div class="ttdoc">msgbuf消息结构体</div><div class="ttdef"><b>Definition:</b> MsgQueue.h:62</div></div>
<div class="ttc" id="a_singleton_8h_html"><div class="ttname"><a href="_singleton_8h.html">Singleton.h</a></div><div class="ttdoc">单例</div></div>
<div class="ttc" id="aclasslibemb_1_1_mutex_html"><div class="ttname"><a href="classlibemb_1_1_mutex.html">libemb::Mutex</a></div><div class="ttdoc">互斥锁类</div><div class="ttdef"><b>Definition:</b> ThreadUtil.h:43</div></div>
<div class="ttc" id="a_singleton_8h_html_adbe81dabafd4a18fb17e8780c0a9190d"><div class="ttname"><a href="_singleton_8h.html#adbe81dabafd4a18fb17e8780c0a9190d">DECL_SINGLETON</a></div><div class="ttdeci">#define DECL_SINGLETON(InstanceClass)</div><div class="ttdef"><b>Definition:</b> Singleton.h:44</div></div>
<div class="ttc" id="astructlibemb_1_1_queue_msg_body_html_a2301454b0b93ce4333d6ed2f140adf56"><div class="ttname"><a href="structlibemb_1_1_queue_msg_body.html#a2301454b0b93ce4333d6ed2f140adf56">libemb::QueueMsgBody::m_msgType</a></div><div class="ttdeci">int m_msgType</div><div class="ttdef"><b>Definition:</b> MsgQueue.h:63</div></div>
<div class="ttc" id="a_base_type_8h_html"><div class="ttname"><a href="_base_type_8h.html">BaseType.h</a></div><div class="ttdoc">基础类型头文件</div></div>
<div class="ttc" id="a_msg_queue_8h_html_a7d1e9e8bb8f40ce788836da0739f897c"><div class="ttname"><a href="_msg_queue_8h.html#a7d1e9e8bb8f40ce788836da0739f897c">MSG_SIZE_MAX</a></div><div class="ttdeci">#define MSG_SIZE_MAX</div><div class="ttdef"><b>Definition:</b> MsgQueue.h:53</div></div>
<div class="ttc" id="aclasslibemb_1_1_msg_queue_factory_html"><div class="ttname"><a href="classlibemb_1_1_msg_queue_factory.html">libemb::MsgQueueFactory</a></div><div class="ttdoc">消息队列工厂类</div><div class="ttdef"><b>Definition:</b> MsgQueue.h:117</div></div>
<div class="ttc" id="a_base_type_8h_html_a57e803e49526dc5ba8c1915c68708ae0"><div class="ttname"><a href="_base_type_8h.html#a57e803e49526dc5ba8c1915c68708ae0">DECL_CLASSNAME</a></div><div class="ttdeci">#define DECL_CLASSNAME(ClassName)</div><div class="ttdef"><b>Definition:</b> BaseType.h:176</div></div>
<div class="ttc" id="aclasslibemb_1_1_singleton_html"><div class="ttname"><a href="classlibemb_1_1_singleton.html">libemb::Singleton</a></div><div class="ttdoc">单例模板类</div><div class="ttdef"><b>Definition:</b> Singleton.h:51</div></div>
<div class="ttc" id="a_thread_util_8h_html"><div class="ttname"><a href="_thread_util_8h.html">ThreadUtil.h</a></div><div class="ttdoc">线程工具</div></div>
<div class="ttc" id="aclasslibemb_1_1_msg_queue_html"><div class="ttname"><a href="classlibemb_1_1_msg_queue.html">libemb::MsgQueue</a></div><div class="ttdoc">消息队列类</div><div class="ttdef"><b>Definition:</b> MsgQueue.h:72</div></div>
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